boxtec
/
yacy_search_server
mirror of https://github.com/yacy/yacy_search_server
4
1
Fork 0
Code Issues Projects Releases Wiki Activity

*) Complete Index Transfer

Browse Source 
See: http://www.yacy-forum.de/viewtopic.php?p=9622

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@707 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
theli 20 years ago
parent 595ec6faf1
commit 2cb084d426
4 changed files with 337 additions and 6 deletions
Show Stats Download Patch File Download Diff File

55
htroot/IndexTransfer_p.html
Unescape View File

@ -0,0 +1,55 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head>
<title>YaCy '#[clientname]#': Index Control</title>
#[metas]#
</head>
<body marginheight="0" marginwidth="0" leftmargin="0" topmargin="0">
#[header]#
<br><br>
<h2>Index Transfer</h2>
<form action="IndexTransfer_p.html" method="post" enctype="multipart/form-data">
<p>The local index currently consists of (at least) #[wcount]# reverse word indexes and #[ucount]# URL references</p>
<p>
<table border="0" cellpadding="2" cellspacing="1">
<tr class="TableHeader" valign="bottom">
<td class="small" >Status</td>
<td class="small" >Transfered Words</td>
<td class="small" >Words Range</td>
<td class="small" >Remote Peer</td>
<td class="small" >Start/Stop Transfer</td>
</tr>
#(running)#
<tr valign="top" class="TableCellLight">
<td>Not running</td>
<td align="center">-</td>
<td align="center">-</td>
<td>
<select name="hostHash">
#{hosts}#
<option value="#[hosthash]#">#[hostname]#</option>
#{/hosts}#
</select>
</td>
<td>
<input type="submit" name="startIndexTransfer" value="Start Index Transfer">
</td>
</tr>
</table></p>
::
<tr class="TableCellLight">
<td>#[status]#</td>
<td align="right">#[twcount]# (#[twpercent]#%) </td>
<td align="rigth"><tt>#[twrange]#</tt></td>
<td>#[peerName]#</td>
<td>#(stopped)#<input type="submit" name="stopIndexTransfer" value="Stop Index Transfer">::
<input type="submit" name="newIndexTransfer" value="Start New Index Transfer">#(/stopped)#</td>
</tr>
#(/running)#
</table>
</form>
#[footer]#
</body>
</html>

126
htroot/IndexTransfer_p.java
Unescape View File

@ -0,0 +1,126 @@
//IndexControl_p.java
//-----------------------
//part of the AnomicHTTPD caching proxy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//last change: 02.05.2004
//
//This program is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or
//(at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.
//You must compile this file with
//javac -classpath .:../Classes IndexControl_p.java
//if the shell's current path is HTROOT
import java.util.Enumeration;
import java.util.NoSuchElementException;
import java.util.TreeMap;
import de.anomic.http.httpHeader;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.plasma.plasmaWordIndexDistribution;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacyCore;
import de.anomic.yacy.yacySeed;
public class IndexTransfer_p {
public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
// return variable that accumulates replacements
plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
serverObjects prop = new serverObjects();
if (post != null) {
if (post.containsKey("startIndexTransfer")) {
yacySeed seed = yacyCore.seedDB.getConnected(post.get("hostHash", ""));
if (seed == null) return prop;
switchboard.indexDistribution.startTransferWholeIndex(seed,true);
} else if (post.containsKey("stopIndexTransfer")) {
switchboard.indexDistribution.stopTransferWholeIndex();
} else if (post.containsKey("newIndexTransfer")) {
switchboard.indexDistribution.abortTransferWholeIndex();
}
}
// insert constants
plasmaWordIndexDistribution.transferIndexThread transfThread = switchboard.indexDistribution.transferIdxThread;
int wcount = 0, ucount = 0;
prop.put("wcount", Integer.toString(wcount = switchboard.wordIndex.size()));
prop.put("ucount", Integer.toString(ucount = switchboard.urlPool.loadedURL.size()));
prop.put("running",(transfThread==null)?0:1);
if (transfThread != null) {
int transferedIdxCount = transfThread.getTransferedIndexCount();
prop.put("running_status",transfThread.getStatus());
prop.put("running_twcount",transferedIdxCount);
prop.put("running_twpercent",Float.toString(transferedIdxCount*100/wcount));
prop.put("running_twrange", transfThread.getRange());
prop.put("running_peerName",transfThread.getSeed().getName());
prop.put("running_stopped",(transfThread.isFinished()) || (!transfThread.isAlive())?1:0);
}
//List known hosts
yacySeed seed;
int hc = 0;
if ((yacyCore.seedDB != null) && (yacyCore.seedDB.sizeConnected() > 0)) {
Enumeration e = yacyCore.dhtAgent.getAcceptRemoteIndexSeeds("------------");
TreeMap hostList = new TreeMap();
while (e.hasMoreElements()) {
seed = (yacySeed) e.nextElement();
if (seed != null) hostList.put(seed.get("Name", "nameless"),seed.hash);
}
String hostName = null;
try {
while ((hostName = (String) hostList.firstKey()) != null) {
prop.put("running_hosts_" + hc + "_hosthash", hostList.get(hostName));
prop.put("running_hosts_" + hc + "_hostname", /*seed.hash + " " +*/ hostName);
hc++;
hostList.remove(hostName);
}
} catch (NoSuchElementException ex) {}
prop.put("running_hosts", Integer.toString(hc));
} else {
prop.put("running_hosts", "0");
}
return prop;
}
}

154
source/de/anomic/plasma/plasmaWordIndexDistribution.java
Unescape View File

@ -29,11 +29,14 @@ public class plasmaWordIndexDistribution {
private plasmaURLPool urlPool; private plasmaURLPool urlPool;
private plasmaWordIndex wordIndex; private plasmaWordIndex wordIndex;
private serverLog log; serverLog log;
boolean paused = false;
private boolean enabled; private boolean enabled;
private boolean enabledWhileCrawling; private boolean enabledWhileCrawling;
private boolean closed; private boolean closed;
public transferIndexThread transferIdxThread = null;
public plasmaWordIndexDistribution(plasmaURLPool urlPool, plasmaWordIndex wordIndex, serverLog log, public plasmaWordIndexDistribution(plasmaURLPool urlPool, plasmaWordIndex wordIndex, serverLog log,
boolean enable, boolean enabledWhileCrawling) { boolean enable, boolean enabledWhileCrawling) {
this.urlPool = urlPool; this.urlPool = urlPool;
@ -63,6 +66,9 @@ public class plasmaWordIndexDistribution {
public void close() { public void close() {
closed = true; closed = true;
if (transferIdxThread != null) {
stopTransferWholeIndex();
}
} }
public boolean job() { public boolean job() {
@ -87,6 +93,10 @@ public class plasmaWordIndexDistribution {
log.logFine("no word distribution: not enabled"); log.logFine("no word distribution: not enabled");
return false; return false;
} }
if (paused) {
log.logFine("no word distribution: paused");
return false;
}
if (urlPool.loadedURL.size() < 10) { if (urlPool.loadedURL.size() < 10) {
log.logFine("no word distribution: loadedURL.size() = " + urlPool.loadedURL.size()); log.logFine("no word distribution: loadedURL.size() = " + urlPool.loadedURL.size());
return false; return false;
@ -227,7 +237,7 @@ public class plasmaWordIndexDistribution {
return startPointHash; return startPointHash;
} }
private Object[] /* of {plasmaWordIndexEntity[], HashMap(String, plasmaCrawlLURL.Entry)}*/ Object[] /* of {plasmaWordIndexEntity[], HashMap(String, plasmaCrawlLURL.Entry)}*/
selectTransferIndexes(String hash, int count) { selectTransferIndexes(String hash, int count) {
// the hash is a start hash from where the indexes are picked // the hash is a start hash from where the indexes are picked
Vector tmpEntities = new Vector(); Vector tmpEntities = new Vector();
@ -332,7 +342,7 @@ public class plasmaWordIndexDistribution {
} }
} }
private boolean deleteTransferIndexes(plasmaWordIndexEntity[] indexEntities) throws IOException { boolean deleteTransferIndexes(plasmaWordIndexEntity[] indexEntities) throws IOException {
String wordhash; String wordhash;
Enumeration urlEnum; Enumeration urlEnum;
plasmaWordIndexEntry indexEntry; plasmaWordIndexEntry indexEntry;
@ -381,4 +391,142 @@ public class plasmaWordIndexDistribution {
} }
return success; return success;
} }
public void startTransferWholeIndex(yacySeed seed, boolean delete) {
if (transferIdxThread == null) {
this.transferIdxThread = new transferIndexThread(seed,delete);
this.transferIdxThread.start();
}
}
public void stopTransferWholeIndex() {
if ((transferIdxThread != null) && (!transferIdxThread.isFinished())) {
this.transferIdxThread.stopIt();
}
}
public void abortTransferWholeIndex() {
if (transferIdxThread != null) {
if (!transferIdxThread.isFinished()) this.transferIdxThread.stopIt();
transferIdxThread = null;
}
}
public class transferIndexThread extends Thread {
private yacySeed seed = null;
private boolean delete = false;
private boolean finished = false;
private int transferedIndexCount = 0;
private String status = "running";
private String startPointHash = "------------";
public transferIndexThread(yacySeed seed, boolean delete) {
this.seed = seed;
this.delete = delete;
}
public void run() {
performTransferWholeIndex();
}
public void stopIt() {
this.finished = true;
}
public boolean isFinished() {
return this.finished;
}
public int getTransferedIndexCount() {
return this.transferedIndexCount;
}
public yacySeed getSeed() {
return this.seed;
}
public String getStatus() {
return this.status;
}
public String getRange() {
return "[------------ .. " + startPointHash + "]";
}
public void performTransferWholeIndex() {
try {
plasmaWordIndexDistribution.this.paused = true;
// collect index
plasmaWordIndexDistribution.this.log.logFine("Selected hash " + startPointHash + " as start point for index distribution of whole index");
while (!finished && !Thread.currentThread().isInterrupted()) {
Object[] selectResult = selectTransferIndexes(startPointHash, 500);
plasmaWordIndexEntity[] indexEntities = (plasmaWordIndexEntity[]) selectResult[0];
if (finished || Thread.currentThread().isInterrupted()) {
this.status = "aborted";
return;
}
HashMap urlCache = (HashMap) selectResult[1]; // String (url-hash) / plasmaCrawlLURL.Entry
if ((indexEntities == null) || (indexEntities.length == 0)) {
plasmaWordIndexDistribution.this.log.logFine("No index available for index transfer, hash start-point " + startPointHash);
this.status = "finished.";
return;
}
// count the indexes again, can be smaller as expected
int idxCount = 0;
for (int i = 0; i < indexEntities.length; i++) {
idxCount += indexEntities[i].size();
}
// find start point for DHT-selection
startPointHash = indexEntities[indexEntities.length - 1].wordHash(); // DHT targets must have greater hashes
String error;
long start;
start = System.currentTimeMillis();
error = yacyClient.transferIndex(seed, indexEntities, urlCache);
if (error == null) {
plasmaWordIndexDistribution.this.log.logInfo("Index transfer of " + idxCount + " words [" + indexEntities[0].wordHash() + " .. " + indexEntities[indexEntities.length-1].wordHash() + "]" +
" to peer " + seed.getName() + ":" + seed.hash + " in " +
((System.currentTimeMillis() - start) / 1000) + " seconds successfull (" +
(1000 * idxCount / (System.currentTimeMillis() - start + 1)) + " words/s)");
} else {
plasmaWordIndexDistribution.this.log.logWarning("Index transfer to peer " + seed.getName() + ":" + seed.hash + " failed:'" + error + "', disconnecting peer");
yacyCore.peerActions.peerDeparture(seed);
this.status = "Disconnected peer";
return;
}
if (delete) {
try {
if (deleteTransferIndexes(indexEntities)) {
plasmaWordIndexDistribution.this.log.logFine("Deleted all " + indexEntities.length + " transferred whole-word indexes locally");
transferedIndexCount += idxCount;
} else {
plasmaWordIndexDistribution.this.log.logSevere("Deleted not all transferred whole-word indexes");
}
} catch (IOException ee) {
plasmaWordIndexDistribution.this.log.logSevere("Deletion of indexes not possible:" + ee.getMessage(), ee);
}
} else {
// simply close the indexEntities
for (int i = 0; i < indexEntities.length; i++) try {
indexEntities[i].close();
} catch (IOException ee) {}
transferedIndexCount += idxCount;
}
}
this.status = "aborted";
} finally {
plasmaWordIndexDistribution.this.paused = false;
}
}
}
} }

8
source/de/anomic/yacy/yacyClient.java
Unescape View File

@ -588,14 +588,16 @@ public class yacyClient {
post.put("youare", targetSeed.hash); post.put("youare", targetSeed.hash);
post.put("wordc", Integer.toString(indexes.length)); post.put("wordc", Integer.toString(indexes.length));
int indexcount = 0; int indexcount = 0;
String entrypost = ""; StringBuffer entrypost = new StringBuffer(indexes.length*73);
Enumeration eenum; Enumeration eenum;
plasmaWordIndexEntry entry; plasmaWordIndexEntry entry;
for (int i = 0; i < indexes.length; i++) { for (int i = 0; i < indexes.length; i++) {
eenum = indexes[i].elements(true); eenum = indexes[i].elements(true);
while (eenum.hasMoreElements()) { while (eenum.hasMoreElements()) {
entry = (plasmaWordIndexEntry) eenum.nextElement(); entry = (plasmaWordIndexEntry) eenum.nextElement();
entrypost += indexes[i].wordHash() + entry.toExternalForm() + serverCore.crlfString; entrypost.append(indexes[i].wordHash())
.append(entry.toExternalForm())
.append(serverCore.crlfString);
indexcount++; indexcount++;
} }
} }
@ -609,7 +611,7 @@ public class yacyClient {
} }
post.put("entryc", Integer.toString(indexcount)); post.put("entryc", Integer.toString(indexcount));
post.put("indexes", entrypost); post.put("indexes", entrypost.toString());
try { try {
Vector v = httpc.wput(new URL("http://" + address + "/yacy/transferRWI.html"), 60000, null, null, Vector v = httpc.wput(new URL("http://" + address + "/yacy/transferRWI.html"), 60000, null, null,
yacyCore.seedDB.sb.remoteProxyHost, yacyCore.seedDB.sb.remoteProxyPort, post); yacyCore.seedDB.sb.remoteProxyHost, yacyCore.seedDB.sb.remoteProxyPort, post);

Write Preview
Loading…
Cancel
Save